From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Sun, 21 Mar 2004 17:41:12 +0000 (+0000)
Subject: use barrier() instead of mb() since it really is just memory
X-Git-Tag: r0_7_69~77
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=abb1a7ec1ec792afb3c8b75d988acb55a5337286;p=comedi.git

use barrier() instead of mb() since it really is just memory
---

diff --git a/comedi/drivers.c b/comedi/drivers.c
index c41eb2c6..d0696911 100644
--- a/comedi/drivers.c
+++ b/comedi/drivers.c
@@ -585,7 +585,7 @@ void comedi_buf_memcpy_to( comedi_async *async, unsigned int offset, const void
 
 		write_ptr = 0;
 	}
-	mb();
+	barrier();
 }
 
 void comedi_buf_memcpy_from(comedi_async *async, unsigned int offset,
@@ -597,7 +597,7 @@ void comedi_buf_memcpy_from(comedi_async *async, unsigned int offset,
 	if( read_ptr >= async->prealloc_bufsz )
 		read_ptr %= async->prealloc_bufsz;
 
-	mb();
+	barrier();
 	while( nbytes )
 	{
 		unsigned int block_size;